America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

The smallest country in the world.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

A quaint amusement park now sits, rusting and forgotten among the foliage.

This western-themed amusement park is host to a large number of decaying animatronic cowboys.

An abandoned amusement park turned street art gallery with open walls for visitors to spray paint.

A semi-abandoned replica of Prince Edward Island's Avonlea—in Japan.

Plenty of old carney magic still haunts this photogenic amusement park.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

A 19th-century cabin built into a hollowed-out Sequoia tree.

This overgrown Victorian chapel made of corrugated metal looks utterly out of place.

The ruined abbey includes a rare surviving example of a monastic latrine.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

This picturesque Victorian ghost town was once a thriving mill community.

This park is home to California's first oil boomtown, with structures that have stood for more than a century.

When he found his hometown was no more, Lowell Davis decided to recreate a "new" ghost town from scratch.

Version of the French Riviera destroyed by the sea.

An abandoned village that resides along the mountains of the Aosta Valley.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

Possibly the world's only drive-in movie theater with an attached motel.